Prayagraj (Uttar Pradesh), Oct 11 (ANI): As Bollywood megastar Amitabh Bachchan turned 77 years on October 11, a sea of fans were seen being immersed in the spirit of celebration. The fans in Prayagraj, the city where the star was born, celebrated the occasion in a different way. The fans pasted a huge poster of the veteran actor in an area in the Sangam city and performed puja while praying for his good health. 'Ashirwad Mahotsav' was organised in the city to honour the star for his prolific work in Indian cinema. Born on October 11, 1942, the megastar Amitabh Bachchan is one of the best-known and most respected artists in the country.